查询词典 tensile strength

With the filling of diabase, the mechanical properties of the composite increased first and then decreased with a top tensile strength of 56.5Mpa and a top impact strength of 70.1Mpa. These illuminated that the diabase fiber reinforced PVC composites could be used as structure materials.

复合材料的力学性能随着辉绿岩的增加先升后降，复合材料拉伸强度最高可达56.5MPa，复合材料冲击强度最高可达70.1MPa，说明辉绿岩纤维增强PVC复合材料作结构材料使用。

Objective To study the effects of colour on diametral tensile strength and bonding strength of resin.

目的：研究颜色的不同对树脂粘结剂径向抗张强度及其与瓷粘结强度的影响。

MAIN OUTCOME MEASURES: The diametral tensile strength test and compressive strength test of the specimens.

主要观察指标：不同粘结系统中树脂粘结剂的压缩强度和径向抗张强度。

New ideas and methods in the paper:1 The formulas on perforated casing collapse strength were deducted, which offereda convenient method to analyze the relationship between casing collapse strength and perforation;2 The stress and displacement formulas on the system of casing, cement anddeformation under the non-uniform load were deducted, which offered the theoretical found for designing optimally casing string;3 The relationship between structure in-situ field of whole oil field and casing failurewere studied, which offered the scheme for the prediction of casing failure. The process of study in the paper:1 For simulating the relationship between the structure in-situ field and the casingfailure in the oil-deformation, the tests of the uniaxial tensile, compress, tnaxial compress and dilatability were made on the samples of the drill cores from deformation of casing failure position in Yuejing II oil field.

本文的主要创新： 1推导出了射孔套管抗挤强度的解析式，为分析射孔与套管强度的变化关系提供了简便的方法； 2推导出了非均匀地层载荷作用下套管、水泥环和地层组合体的应力和位移解析式，并非均匀作用下套管柱优化设计提供了理论依据； 3研究整个油田区块构造应力场与套管损坏关系，为预测套管损坏提供了可行方案；本文的研究过程如下： 1为模拟构造应力场与油层段套管损坏关系，做了大量的岩石单轴抗拉、单轴抗压、三轴试验以及岩石遇水膨胀试验，获得了研究区块岩石的弹性模量、泊松比、内聚力、内摩擦角以及岩石的线膨胀系数，这此数据为本文研究油层段套管损坏机理研究的理论分析和有限元法提供了实验数据。

The result shows that LGDE not only improves the tensile strength of carbon fiber and the interlaminar shear strength ILSS of composites but also the dispersiveness of fibers.

碳纤维与混凝土的有效复合赋予碳纤维混凝土良好的导电性、压敏性、温敏性等。有研究指出，碳纤维与混凝土的界面对于这种智能复合材料具有非常重要的作用。

The tensile strength and the elongation at break of PUelastomers increased with increasing the strength of electric field.

这为PU的形态结构及性能的控制提供了一种可能的方法。

The simulation result of the enameling process at high temperature shows that with the increase of soaking temperature and holding time, the yield strength and tensile strength increase, and the total elongation decreases.

模拟高温搪烧时，随着温度的提高和保温时间的延长，屈服强度和抗拉强度下降，伸长率提高。

The simulation result of the enameling process at high temperature shows that with the increase of soaking temperature and holding time-the yield strength and tensile strength increase,and the total elongation decreases.

经857℃保温10 min后，钢板的屈服强度满足了不小于310 MPa的要求。预变形时的变形量对模拟高温搪烧后钢板的力学性能也会产生影响。

Based on the analysis of the modified surface of fiber by ESCA, the effects of treatment parameters on the properties of PET/epoxy composite are examined in terms of interlaminar shear strength and transverse tensile strength.

研究了冷等离子体处理工艺参数对 PET纤维/环氧复合材料界面剪切强度、横向拉伸强度的影响。

Furthermore, the tensile strength and the elongation at break of PU elastomersincreased with increasing the strength of magnetic field.

本文首次研究了在外加电场中合成的PU弹性体的形态结构和力学性能。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。